Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 8.33% 6.67% 5% 10% 8.33% 6.67% 5% 10% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. Voltmeter should have very high resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. Voltmeter should have very high resistance. An ammeter should have a very low resitance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 1000 Ω/volt 10 MΩ/volt 100 Ω/volt 1 MΩ/volt 1000 Ω/volt 10 MΩ/volt 100 Ω/volt 1 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ± 3.0% ±3.5% ±0.5% ± 1.5% ± 3.0% ±3.5% ±0.5% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. All of the listed here Should non magnetic Should have low specific resistance Most be of low temperature co-efficient All of the listed here Should non magnetic Should have low specific resistance Most be of low temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
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